Optimizing integrative cultivation management improves grain quality while increasing yield and nitrogen use efficiency in rice oleh Hao ZHANG, Dan-ping HOU, Xian-long PENG, Bing-ju MA, Shi-mei SHAO, Wen-jiang JING, Jun-fei GU, Li-jun LIU, Zhi-qin WANG, Yuan-ying LIU, Jian-chang YANG